BioMed Research International / 2014 / Article / Tab 3

Research Article

Testing of Visual Field with Virtual Reality Goggles in Manual and Visual Grasp Modes

Table 3

Summary of usability questionnaire responses.

Usability questionMedian rating and % of responses for each rating (1 through 5)

Overall comfort (1—very comfortable, 5—very uncomfortable) 1 
Comfort in comparison with HFA (1—much better, 5—much worse)2 
Were the test principles easy to understand? (1—easy, 5—difficult)1 
Overall difficulty of test procedure (1—very easy, 5—very difficult) 1 
Device preference (1—VirtualEye, 5—HFA)2 
VirtualEye mode preference (1—manual, 5—visual grasp)3